# API Reference

## Authorization Cache

## Cache Service

## Collectd

## Column Family

## Commit Log

## Compaction Manager

## Endpoint Snitch Info

## Error Injection

## Failure Detector

## Gossiper

## Hinted Handoff

## LSA

## Messaging service

## Raft

## Storage proxy

## Storage service

## Stream manager

## System

## Task Manager Test

## Task Manager

## Tasks